== sanity test 421d: rmfid en masse ====================== 12:04:55 (1786982695)
 - open/close 789 (time 1786982710.08 total 10.00 last 78.89)
 - open/close 1453 (time 1786982720.08 total 20.01 last 66.37)
 - open/close 2099 (time 1786982730.09 total 30.02 last 64.52)
 - open/close 2806 (time 1786982740.11 total 40.03 last 70.61)
 - open/close 3626 (time 1786982750.12 total 50.04 last 81.91)
total: 4097 open/close in 55.75 seconds: 73.49 ops/second